# Cortex vs Δες το

The clearest difference is iOS requirement: Cortex at 13.0 against Δες το's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Cortex ships an update monthly, Δες το every 2 months. The most recent releases landed on October 6, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Cortex | Δες το |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 40 MB | 88 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KIOUR PC](https://appshunter.io/developer/1657350555) | [ARION SOFTWARE SINGLE MEMBER P.C](https://appshunter.io/developer/1700218508) |

## What reviewers say

### Cortex

[App page](https://appshunter.io/ios/app/cortex/id6444849957)

**In-app purchases:** none


### Δες το

[App page](https://appshunter.io/ios/app/id6455985320)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Cortex free?

Cortex is free to download, with no in-app purchases.

### Is Δες το free?

Δες το is free to download, with no in-app purchases.

### Do Cortex or Δες το have ads?

Neither Cortex nor Δες το shows ads.

### Which is updated more often, Cortex or Δες το?

Cortex ships an update monthly, and Δες το every 2 months. Most recently, Cortex was updated on October 6, 2026 and Δες το on September 26, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*